Here is a list of trail ultras in Nepal, from marathon distance and above, up to 100 km and even one 100 mile race.

Mar 2, 2020

Pikey Demba Trail Race

Single day race;
21 km in 1 stage(s)
D+/-: unknown
Max elev. unknown
Mar 7, 2020

Mira Rai’s Bhojpur Trail Race

Single day race;
50 km, 8 km and 4 km in 1 stage(s)
D+/-: +/-800m
Max elev. 2000m
May 9, 2020

Gosaikunda to Helambu Trail Race

Nepal Trail marathon; Single day race;
42 km in 1 stage(s)
D+/-: +2300m, -3500m
Max elev. 4300m
May 29, 2020

Kathmandu Valley Rim 100 miles

100 mile race; Single day race;
~160 km in 1 stage(s)
D+/-: +10000
Max elev. 2900 m
May 29, 2020

Tenzing Hillary Everest Marathon

Nepal Trail Half Marathon; Nepal Trail marathon; Single day race; Trail races in Nepal; Ultra Trail;
42km, 60km in 1 stage(s)
D+/-: n/a
Max elev. 5300m
Jun 6, 2020

Sindhupalchowk International trail race

Single day race;
60/26km in 1 stage(s)
D+/-: ~3500m
Max elev. 1700m
Jun 19, 2020

GUERILLA TRAIL MARATHON RACE

Single day race; Trail races in Nepal; Ultra Trail;
27 km in 1 stage(s)
D+/-: +1000
Max elev. ~1800m
Sep 26, 2020

Jumla-Rara Ultra Marathon

Single day race;
45.3km in 1 stage(s)
D+/-: +3870 - 3223m
Max elev. 3981m
Nov 24, 2020

Original Everest Marathon

Nepal Trail marathon; Single day race;
42.2k in - 2500m stage(s)
D+/-: +800m
Max elev. 5300m